OH Yoon Ah

OH Yoon Ah is listed in filings as SVP at Onto Innovation Inc. This profile follows SEC Form 4 activity through May 18, 2026, including 26 public disclosures. Recent filings connect the profile to Onto Innovation Inc (ONTO). The current snapshot covers public activity from Oct 28, 2024 to May 18, 2026. Reported amounts are shown as $144.0K to $66.3K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.